Mediation of the relationship between home loss and worsened cardiometabolic profiles of older disaster survivors by post-disaster relocation: A natural experiment from the Great East Japan earthquake and tsunami

Koichiro Shiba; Jun Aida; Katsunori Kondo; Atsushi Nakagomi; Mariana Arcaya; Peter James; Ichiro Kawachi

doi:10.1016/j.healthplace.2020.102456

Mediation of the relationship between home loss and worsened cardiometabolic profiles of older disaster survivors by post-disaster relocation: A natural experiment from the Great East Japan earthquake and tsunami

Koichiro Shiba, Jun Aida, Katsunori Kondo, Atsushi Nakagomi, Mariana Arcaya, Peter James, Ichiro Kawachi

DEN - Dental Sciences

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

The underlying mechanism for deterioration in cardiometabolic health after major natural disasters is unknown. We leveraged natural experiment data stemming from the 2011 Great East Japan Earthquake and Tsunami (n = 1165) to examine whether specific types of post-disaster accommodations explain the association between disaster-related property damage and objectively measured cardiometabolic profiles of older disaster survivors. Causal mediation analysis showed that relocation to trailer-style temporary shelters largely mediated the associations between home loss and unhealthy changes in anthropometric measures (72.6% of 0.65 kg/m² for body mass index and 62.3% of 3.89 cm for waist circumference), but it did not mediate the associations with serum lipid measures. This study demonstrates that there are outcome-specific pathways linking disaster damage and health of survivors.

Original language	English
Article number	102456
Journal	Health and Place
Volume	66
DOIs	https://doi.org/10.1016/j.healthplace.2020.102456
Publication status	Published - 2020 Nov

Keywords

Cardiometabolic
Disaster
Fixed effects
Mediation
Natural experiment
Neighborhood

ASJC Scopus subject areas

Health(social science)
Sociology and Political Science
Life-span and Life-course Studies

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Shiba, K., Aida, J., Kondo, K., Nakagomi, A., Arcaya, M., James, P., & Kawachi, I. (2020). Mediation of the relationship between home loss and worsened cardiometabolic profiles of older disaster survivors by post-disaster relocation: A natural experiment from the Great East Japan earthquake and tsunami. Health and Place, 66, [102456]. https://doi.org/10.1016/j.healthplace.2020.102456

Mediation of the relationship between home loss and worsened cardiometabolic profiles of older disaster survivors by post-disaster relocation : A natural experiment from the Great East Japan earthquake and tsunami. / Shiba, Koichiro; Aida, Jun; Kondo, Katsunori; Nakagomi, Atsushi; Arcaya, Mariana; James, Peter; Kawachi, Ichiro.

In: Health and Place, Vol. 66, 102456, 11.2020.

Research output: Contribution to journal › Article › peer-review

Shiba, K, Aida, J, Kondo, K, Nakagomi, A, Arcaya, M, James, P & Kawachi, I 2020, 'Mediation of the relationship between home loss and worsened cardiometabolic profiles of older disaster survivors by post-disaster relocation: A natural experiment from the Great East Japan earthquake and tsunami', Health and Place, vol. 66, 102456. https://doi.org/10.1016/j.healthplace.2020.102456

Shiba, Koichiro ; Aida, Jun ; Kondo, Katsunori ; Nakagomi, Atsushi ; Arcaya, Mariana ; James, Peter ; Kawachi, Ichiro. / Mediation of the relationship between home loss and worsened cardiometabolic profiles of older disaster survivors by post-disaster relocation : A natural experiment from the Great East Japan earthquake and tsunami. In: Health and Place. 2020 ; Vol. 66.

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title = "Mediation of the relationship between home loss and worsened cardiometabolic profiles of older disaster survivors by post-disaster relocation: A natural experiment from the Great East Japan earthquake and tsunami",

abstract = "The underlying mechanism for deterioration in cardiometabolic health after major natural disasters is unknown. We leveraged natural experiment data stemming from the 2011 Great East Japan Earthquake and Tsunami (n = 1165) to examine whether specific types of post-disaster accommodations explain the association between disaster-related property damage and objectively measured cardiometabolic profiles of older disaster survivors. Causal mediation analysis showed that relocation to trailer-style temporary shelters largely mediated the associations between home loss and unhealthy changes in anthropometric measures (72.6% of 0.65 kg/m2 for body mass index and 62.3% of 3.89 cm for waist circumference), but it did not mediate the associations with serum lipid measures. This study demonstrates that there are outcome-specific pathways linking disaster damage and health of survivors.",

keywords = "Cardiometabolic, Disaster, Fixed effects, Mediation, Natural experiment, Neighborhood",

author = "Koichiro Shiba and Jun Aida and Katsunori Kondo and Atsushi Nakagomi and Mariana Arcaya and Peter James and Ichiro Kawachi",

note = "Funding Information: This work was supported by the US National Institutes of Health (grant R01 AG042463 ), the Japan Society for the Promotion of Science ( KAKENHI 15H01972 , KAKENHI 23243070 , KAKENHI 22390400 , KAKENHI 22592327 , and KAKENHI 24390469 ), the Japanese Ministry of Health, Labour, and Welfare (Health and Labour Sciences Research Grant H22-Choju-Shitei-008 , H24-Choju-Wakate-009 , H25-Choju-Ippan-003 , and H28-Choju-Ippan002 , H30-Junkankito-Ippan-004 ), the Japan Agency for Medical Research and Development (Grant 16dk0110017h0002 , JP19dk0110034 ), the Japanese National Center for Geriatrics and Gerontology (Research Funding for Longevity Sciences grant 29–42 ), and the World Health Organization Centre for Health Development (WHO Kobe Centre) WHO (grant APW, 2017/713981 ). ",

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AU - Arcaya, Mariana

AU - James, Peter

AU - Kawachi, Ichiro

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N2 - The underlying mechanism for deterioration in cardiometabolic health after major natural disasters is unknown. We leveraged natural experiment data stemming from the 2011 Great East Japan Earthquake and Tsunami (n = 1165) to examine whether specific types of post-disaster accommodations explain the association between disaster-related property damage and objectively measured cardiometabolic profiles of older disaster survivors. Causal mediation analysis showed that relocation to trailer-style temporary shelters largely mediated the associations between home loss and unhealthy changes in anthropometric measures (72.6% of 0.65 kg/m2 for body mass index and 62.3% of 3.89 cm for waist circumference), but it did not mediate the associations with serum lipid measures. This study demonstrates that there are outcome-specific pathways linking disaster damage and health of survivors.

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